Finding the Fourth Proportional to 403,929.20, 605,893.80 and 325,197.20
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Solution
The fourth proportional to 403,929.20, 605,893.80 and 325,197.20 is: 487,795.80
Step by Step Solution
- Step 1: Write the proportion equation
403,929.20 : 605,893.80 = 325,197.20 : x - Step 2: Convert to fraction form
403,929.20/605,893.80 = 325,197.20/x - Step 3: Cross multiply
403,929.20x = 605,893.80 × 325,197.20 - Step 4: Simplify right side
403,929.20x = 197,034,967,257.36 - Step 5: Solve for x
x = 197,034,967,257.36/403,929.20 - Step 6: Final answer
x = 487,795.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.